RDMA Performance with Real Storage

As an update to the previous post, we now have the Tech Guide for RDMA performance with non-volatile storage available online.

Just head over to the LINBIT Tech Guide area and read the HGST Ultrastar SN150 NVMe performance report! (Free registration required.)

RDMA Performance

As promised in the previous RDMA post, we gathered some performance data for the RDMA transport. Read and enjoy! Read more

Having Fun with the DRBD Manage Control Volume

As you might know, DRBD Manage is a tool that is used in the DRBD9 stack to manage (create, remove, snapshot) DRBD resources in a multi-node DRBD cluster. DRBD Manage stores the cluster information in the so called Control Volume. The control volume is a DRBD9 resource itself which is then replicated across the whole cluster. This means that the control volume itself is just a block device, like all the regular DRBD resources. Read more